Automatic reversing mechanism



Fgb. 19,1935. J A, p L ps v 1,991,954

AUTOMATIC REVERSING MECHANISM Filed Aug. 26, 1935 3 Sheets-Sheet l A. J. PHILLIPS Feb. 19, 1935.

AUTOMATIC REVERS ING MECHANISM Filed Aug. 26, 1935 3 Sheets-Sheet 2 JNI ZNJ mZ I may JPhZZz/fis Feb, 19, 1935. A, J, PHI LIPS 1,991;9s4

AUTOMATIC REVERSING MECHANISM Filed Aug. 26, 1935 3 Sheets-Sheet 3 Patented Feb. 19, 1935 t 1,991,954

UNITED STATES PATENT OFFICE 1 i AUTOMATIC REVERSING MECHANISM Anthony Phillips, Lower Southampton Township, Bucks County, Pa.

Application August 26. 1933, Serial No. 686,903

1 Claim. (Cl. 74-59) 7 My invention relates to new and useful improvided at the forward or inner end with a head provements in anautomatic reversing mechanism, plate 11 running crosswise o'f said base plate. and has for one ofv its objects to provide a mech- This base plate supports longitudinal side plates anism which may be utilized for operating" difor walls 12 forming a slide for the baling plunger ferent types of oscillating'mechanisms from a r e and with atop plate 13 at the outer end provides volving shaft whichcontinuously revolves in one a compartment 14 in which the material to be direction. Q bailed is pressed and to said compartment leads 'Another object of the invention is to generally a suitable 'hopperi 15. l Said base plate and improve the construction ofbaling presses to prothe head plate 11 also support a front plate or 10 vide an exceedingly simple and effective device wall 16'and a rea'rplate or-wall 1'7, and if found 10 of this character that will be relatively inexpendesirable, end plates or walls 18 maybe prosive, in the cost of manufacture although strong vided so as to form. an enclosure for the operating and durable and efiicient in operation. mechanism. i i

Another object of the'inventionis to provide a In the mechanism housing running longitudimechanical movement in which the direction of nally thereof so as to be crosswise of the plunger 15 rotationjof one or more .drivenjshafts may be chamber is located a polygonal shaft 19 carrying alternately reversed and the driven shaft or shafts suitable journals 20 whereby the shaft may be made to oscillate other 7 elements although the revolvably mounted inthe split bearings 21 sup,- driving shaft continues to revolve in one direcported by cross pieces 22in the mechanism 20 tion. r a housing. A I 20 A still further object of the invention is to pro- Onthe shaft intermediate the ends thereof are vide unique means instituting the reverse movemounted a pair of opposedsleeves 23 and 24, each ments of the driven devices. having a flange at its outerend to prevent outi'LWith these andother ends in view, thisinven wardlongitudinal movement of its respective 25 tion consists in the details of construction and bevel gear mounted to revolve on the sleeve. 25 combination of elements hereinafter set forth and There are two such bevel gears 25 and 26- and then specifically designated by the claim. they mesh with one or more bevel pinions 27 In order that those skilled in the art to which and 28; The bevel gears being in mesh with a this invention-appertains may understand how bevel pinion orpinions will be held against in:-

to make and use the same, I will describe its conward longitudinal movement. The sleeves are '30 struction' in detail, referring by numerals to the held against movement relative to the shaft 19 accompanying drawings forming a part of this by suitable fastenings, such as screws 29; The

application, in which: gears 25 and 26 are provided with clutch elements "T Fig. -1 is a topplan view of a baling press em- 30 to be engaged'by clutch elements 31 carried by bodying my improvements. the clutch members 32 and 33 mounted on the 35 Fig. 2 is a view with the plunger housing and shaft 19 to revolve therewith as well as slide plunger shown in section on the longitudinal th The Sliding movements of Clutch center thereof with the end of the housing for members enable them to be moved into or out the mechanicalmovement and one of the side of engagement with their respective bevel gears walls of-the press removed and alsoparts of the inorder to cause either of saidygears to revolve '40 plunger andthe axle of the reversing mechanism with the shaftwhile the other is free to be rebroken away. 1 volved independently of the shaft.

. 3 is anenlarged longitudinal sectional view The clutch members are provided with annular of the driving mechanism. grooves 34 to receive the forks 35 of the reversing Fig. 4is aforward or inner end view-of the balmechanism and said forks are secured on the 45 ing press with a wall of the mechanism housing ends of a longitudinally sliding rod 136 by nuts 3''! removed. screwed on to the threaded ends of said rod. Said .iFig'. 5 is an enlarged plan view of the reversing rod 36 is slidably mounted in suitable spaced cam showing its relation tothe reversing axle. supports 38 and said rod is provided with a finger Fig. 6'is.a side elevation or edge view thereof 39 towhich is connected one end of a'link 40 50 with a section of the shaft having parts broken while the other end of said link is attached to a away. 5 v V crank4l as at 42 and this crank is mounted upon v Fig. '7 is an end View thereof. one end of a rotating axle 43. The crank 41 is In carrying out my invention as herein 'emof such length that when the axle 43 is rotated bodied, 1Q represents the base plate of thepress approximately one-half turn the clutch mem- 55 on a screw shaft 46, suitably journalled, as.inv= the wall 17 and said screw shaftislheldhagainst longitudinal movement by collars 47 or other In one rinstance, the-equiv equivalent means. alent means might be the hub of thelevel: pinion 27. The threaded portion 48-0f thescrew shaft has threaded connectionwith ther'ea'r wall 49 of the plunger 50 mounted to slideionutracks 51 carried by the side plates or walls 12 and snugly fi'tting' the plunger compartnien 't; It may only "necessaryto' actually: guide the rear part $1 of the plunger and "for this-reason the 'upperend of th'e'reanwall 49" of said plunger isshown as pn ov'ided-"with I an: extension 521111 the side edges of which-" are formed the guide grooves for-registration'r" with said: tracks '51;

The-"plunger'ismoved to and froin its chamber in a manne'r that its nose may enter the compart ment 14 for compressing material :inr. saidcompartment prior to being tied into abalei the plunger and moreparticularly on the wall 49 is mounted a cam device 53-includin'g a bracket 54' and two'cam elements: 55 and? 56 soi sliap'ed that-, wheneither one engages'fthe proper 'arm 44 and' 45' the latter 'will 1 be caused to travel in": ai h'alfci-rcle' during 'th'eitime the cam travels a'dist'anceequal: to that between its endswhereb'y the axfe 4& will be given aonehalf turn in one direction. T

Tome p1u-nger50 ispivoted-one: end o-fo a pitman 57 as at' 58 'while"the'other' end of said pitman'ispivoted as at 59 to an oscillatingbeam 60 pivoted intermediate its-' 'ends on an axle 61 me" ends ofwhich a're mounted'in uprights 62 which-maybe secured to :the side plates or walls 12. The-beam-BO isso pivoted' thatithas a short end and along orouter end-and the 'ou-ter end carries a' tamp 63 whichprojected-- through the hopper 15 'into the compartment I 14'? each time the-plunger '50 is moved away from saidhopper.

In practice-"thebperation of-"the' deviee'is as t'o-ll ows Withtheparts in I the positions? illustrated herein, the teeth of the c-lutclr member SB- a-rein engagement'with the teeth of "the gear 26 wherefore-power is being transmitted' from the 'driviiig shaft' 19 throughthe clutch memberBB Jge'ar 26; inion 27' and screw shaft 46 sothat the plunger 50 isbeing -re-tra'cted or withd'rawn' from the compartment 14. At'th'e' timethis backward movement is being'impartedto'the plunger,'monon-win betransmitted to the beam 60 tl1'rou'gh the' 'pitrnantfi to project the t'amp 63 through the hopper 15 into the compartment 14' and any materialiirr said'compartment 14 below the opening: oftheh'opper will be depressed so-as to be free fromthe hopper through-which it was fed intoi-the compartment 142 Since the-plunger '50 carries the cam device 53 therewith at a certain" point ill-the backward movement of said: plunger, the cam member 56 willienga'ge the arm 45 andcause it to'- rotate from it'spresentupstanding position to a dependmg: position relative to 'tl-ie axl'e 43 thereby rotat ing said axle so as to impart movement through the crank 41 and link 40 to the sliding rod 36, thereby moving the forks 35 so as to disengage the clutch member 33 from the gear 26 and simutaneously engage the clutch member 32 with the gear 25.

This will cause motion to be imparted from the shaft 19 through the clutch member 32 and gear 25' to the pinion'27,- thereby reversingthe direction of rotation of'said pinion 27 without' changing the direction of rotation of the shaft 19. It might be well to state at this time that when one gear is drivingithe pinion 27 the companion gear is free to revolve on the sleeve 23. This reversal in theudirecti'onLoffrotation of the pinion 2'7 will,

screw shaft 46-, .thereby moving the plunger 50 fo'rward'towa'rd andinto the compartment 14 for forcing or compressing the material which has been depressed by .thetamp toward the far end of'the compartment'li; V I V H During the above last; mentioned operation, motion" will be transmittedthrough the 57*to the beam 60' to lift the outer-longer 'end 'otcourse reverse the direction of rotation of the thereof so'as to 'withdraw the temp 631mm the 35 compartment 14- and out of the petite! ftravel of theplunger 50. At a certain locationidurmg the forward movement of the-plunger 50; the cam element 55"will engage the arm 44 which isnow in" upright or. elevated position andmove .said arm-into the depending'positi'on' as shownflin Fig.

. 2, which will then again'reverse the drivingime'chanism in order toplace the partsinthe'pdsitinfls herein illustrated.

The reversing movements may be accomplished at desired locations in the movementsv of plunger by changing'.the. positions-of Ithenrmsl and45 on the axle 43 and forthis purpose I hnee shown said arms as slidably mounted on the me to beheld in'any adjusted zpositions 'byg-screwss 64.

As beforesuggestemanynumber of pinions that can be accommodated can bemounted between the gears 25' and 26 and-as' an illustrat1on=tbreof I'haveshowma: second. pinion" 28 whichrismounfl- Having thus fully described my invention, what I-claim as new'and useful is:-

Inadevice of the kind described, apolygonazi driving shaft; journals mounted on" said shaft, bearings in which said journals are' mounted whereby the shaft may be revolved;- a pair; of sleevesmounted on said shaft adjacent eachother and having flanges at their outer ends, means to secure-'saidsleeves iii-place on the shaft, azbevel gearon each sleeve free to revolve thereon md held against outward endwise movementby, the flanges; a.- bevel pinion between the gears and constantly in mesh with both of themwhich: will 7 prevent inward movement of said gears, a-screw' shaft on which the pinion is mounted, clutch teeth on the outer ends of said gears, clutch mem bers mounted to revolve with and-slideon the driving-shaft, clutchteeth on the inner-"endear said members for engagement with the teeth-0n the gears for temporarily connecting a clutch member and gear to cause such gear to revolve with the shaft, forks engaging said clutch members, a longitudinally slidable rod on which said orks are mounted whereby the movements of said rod will simultaneously engage one clutch member with its respective gear and disengage the other clutch member from its respective gear, an arm projecting from said rod intermediate its ends, a shifting axle rotatable a one-half turn, a

a crank on said axle, a link having one end connected to said crank and the other end to the arm projecting from the sliding rod, said parts being so arranged that the link and crank will be on dead center at the ends 01. the longitudinal movements of the sliding rod, a plunger having threaded connection with the screw shaft, a cam device carried by said plunger and including two cam members, and arms mounted on the shifting axle in spaced relation to be engaged by the cam elements for alternately rotating the shifting axle in opposite directions for reversing the direction will be reciprocated.

ANTHONY J. PHILLIPS. 

